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Part Name
Description
PI74FCT2161T(1996) View Datasheet(PDF) - Pericom Semiconductor
Part Name
Description
View to exact match
PI74FCT2161T
(Rev.:1996)
High Speed CMOS Synchronous 4-Bit Binary Counters
Pericom Semiconductor
PI74FCT2161T Datasheet PDF : 6 Pages
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ADVANCE INFORMATION
PI74FCT161/163T
(25
Ω
SERIES) PI74FCT2161/2163T
112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122
4
1122
-
33
B
4455
I
66
T
778899
B
0011
I
22
N
334455
A
6677
R
8899
Y
001122
C
3344
O
556677
U
8899
N
0011
T
2211
E
2233
R
4455
S
6677
Product Pin Configurations
(All Pins Top View)
MR
CP
D0
D1
D2
D3
CEP
GND
1
16
2
15
3
14
16-Pin
4
Q16
13
5
S16
12
6
11
7
10
8
9
VCC
TC
Q0
Q1
Q2
Q3
CET
PE
Product Pin Description
Pin Name
I/O
D3-D0
I
Q3-Q0
O
CP
I
MR
I
CEP
I
CET
I
TC
O
PE
I
Description
Data Inputs
Data Outputs
Clock
Master Reset
Count Enable
Count and TC Enable
Terminal Count
Parallel Load Enable
Truth Table
(1)
Inputs
MR
PE
CP
L
X
X
L
X
↑
H
L
↑
H
H
↑
H
H
↑
H
H
↑
H
H
X
H
H
X
H
H
X
Notes:
1.
H = High Voltage Level
L = Low Voltage Level
X = Don't Care
Z = High Impedance
CEP
X
X
X
H
L
X
X
X
X
Outputs
Q3-Q0
CET
DI
161
163
TC
X
X
L
L
X
X
L
L
X
D3-D0
D3-D0
D3-D0
X
H
X
Q+1
Q+1
X
X
X
Q
Q
X
L
X
Q
Q
x
H
X
F
F
H
H
X
0-E
0-E
L
L
X
X
X
L
Function
Clear 16l
Clear l63
Load Data
Count
Count Inhibit P
Count Inhibit T
Count = 1111
Count
≠
1111
TC Inhibit
2
PS2083A 07/16/96
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